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Entry version 74 (11 Dec 2019)
Sequence version 1 (25 Oct 2005)
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Protein

Spike glycoprotein

Gene

S

Organism
Bat coronavirus HKU3 (BtCoV) (SARS-like coronavirus HKU3)
Status
Reviewed-Annotation score:

Annotation score:5 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Protein inferred from homologyi <p>This indicates the type of evidence that supports the existence of the protein. Note that the ‘protein existence’ evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

attaches the virion to the cell membrane by interacting with host receptor, initiating the infection.UniRule annotation
mediates fusion of the virion and cellular membranes by acting as a class I viral fusion protein. Under the current model, the protein has at least three conformational states: pre-fusion native state, pre-hairpin intermediate state, and post-fusion hairpin state. During viral and target cell membrane fusion, the coiled coil regions (heptad repeats) assume a trimer-of-hairpins structure, positioning the fusion peptide in close proximity to the C-terminal region of the ectodomain. The formation of this structure appears to drive apposition and subsequent fusion of viral and target cell membranes.UniRule annotation
Acts as a viral fusion peptide which is unmasked following S2 cleavage occurring upon virus endocytosis.UniRule annotation

Miscellaneous

Bat coronavirus HKU3 is highly similar to SARS-CoV (SARS-like).

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Biological processi

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Biological processFusion of virus membrane with host endosomal membrane, Fusion of virus membrane with host membrane, Host-virus interaction, Viral attachment to host cell, Viral penetration into host cytoplasm, Virulence, Virus entry into host cell

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
Spike glycoproteinUniRule annotation
Short name:
S glycoproteinUniRule annotation
Alternative name(s):
E2UniRule annotation
Peplomer proteinUniRule annotation
Cleaved into the following 3 chains:
Spike protein S1UniRule annotation
Spike protein S2UniRule annotation
Spike protein S2'UniRule annotation
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: ‘Name’, ‘Synonyms’, ‘Ordered locus names’ and ‘ORF names’.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:SUniRule annotation
ORF Names:2
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiBat coronavirus HKU3 (BtCoV) (SARS-like coronavirus HKU3)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the ‘taxonomic identifier’ or ‘taxid’.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri442736 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiVirusesRiboviriaNidoviralesCornidovirineaeCoronaviridaeOrthocoronavirinaeBetacoronavirusSarbecovirus
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section only exists in viral entries and indicates the host(s) either as a specific organism or taxonomic group of organisms that are susceptible to be infected by a virus.<p><a href='/help/virus_host' target='_top'>More...</a></p>Virus hostiRhinolophus sinicus (Chinese rufous horseshoe bat) [TaxID: 89399]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000007450 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">proteome</a> can consist of several components. <br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Genome

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini14 – 1182ExtracellularUniRule annotationAdd BLAST1169
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei1183 – 1203HelicalUniRule annotationAdd BLAST21
Topological domaini1204 – 1242CytoplasmicUniRule annotationAdd BLAST39

GO - Cellular componenti

Keywords - Cellular componenti

Host cell membrane, Host membrane, Membrane, Viral envelope protein, Virion

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section denotes the presence of an N-terminal signal peptide.<p><a href='/help/signal' target='_top'>More...</a></p>Signal peptidei1 – 13UniRule annotationAdd BLAST13
<p>This subsection of the ‘PTM / Processing’ section describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_000029136514 – 1242Spike glycoproteinAdd BLAST1229
ChainiPRO_000044405914 – 654Spike protein S1UniRule annotationAdd BLAST641
ChainiPRO_0000291367655 – 1242Spike protein S2UniRule annotationAdd BLAST588
ChainiPRO_0000444060785 – 1242Spike protein S2'UniRule annotationAdd BLAST458

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM / Processing</a> section specifies the position and type of each covalently attached glycan group (mono-, di-, or polysaccharide).<p><a href='/help/carbohyd' target='_top'>More...</a></p>Glycosylationi65N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi115N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi124N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi125N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi162N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi231N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi273N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi322N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
<p>This subsection of the PTM / Processing":/help/ptm_processing_section section describes the positions of cysteine residues participating in disulfide bonds.<p><a href='/help/disulfid' target='_top'>More...</a></p>Disulfide bondi327 ↔ 352UniRule annotation
Glycosylationi334N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi361N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Disulfide bondi370 ↔ 423UniRule annotation
Glycosylationi576N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi589N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi630N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi678N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi686N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi770N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi1043N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi1067N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi1103N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi1127N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi1142N-linked (GlcNAc...) asparagine; by hostUniRule annotation1
Glycosylationi1163N-linked (GlcNAc...) asparagine; by hostUniRule annotation1

<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM/processing</a> section describes post-translational modifications (PTMs). This subsection <strong>complements</strong> the information provided at the sequence level or describes modifications for which <strong>position-specific data is not yet available</strong>.<p><a href='/help/post-translational_modification' target='_top'>More...</a></p>Post-translational modificationi

Specific enzymatic cleavages in vivo yield mature proteins. The precursor is processed into S1 and S2 by host cell furin or another cellular protease to yield the mature S1 and S2 proteins. Additionally, a second cleavage leads to the release of a fusion peptide after viral attachment to host cell receptor.UniRule annotation
The cytoplasmic Cys-rich domain is palmitoylated. Spike glycoprotein is digested within host endosomes.UniRule annotation

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection describes interesting single amino acid sites on the sequence that are not defined in any other subsection. This subsection can be displayed in different sections (‘Function’, ‘PTM / Processing’, ‘Pathology and Biotech’) according to its content.<p><a href='/help/site' target='_top'>More...</a></p>Sitei654 – 655CleavageUniRule annotation2
Sitei784 – 785CleavageUniRule annotation2

Keywords - PTMi

Disulfide bond, Glycoprotein, Lipoprotein, Palmitate

Proteomic databases

PRoteomics IDEntifications database

More...
PRIDEi
Q3LZX1

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction_section">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Homotrimer; each monomer consists of a S1 and a S2 subunit. The resulting peplomers protrude from the virus surface as spikes.

UniRule annotation

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...
SMRi
Q3LZX1

Database of comparative protein structure models

More...
ModBasei
Search...

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni310 – 514Receptor-binding domainUniRule annotationAdd BLAST205
Regioni757 – 775Fusion peptideUniRule annotationAdd BLAST19
Regioni889 – 939Heptad repeat 1UniRule annotationAdd BLAST51
Regioni1132 – 1171Heptad repeat 2UniRule annotationAdd BLAST40

Coiled coil

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and domains’ section denotes the positions of regions of coiled coil within the protein.<p><a href='/help/coiled' target='_top'>More...</a></p>Coiled coili918 – 962UniRule annotationAdd BLAST45
Coiled coili1144 – 1172UniRule annotationAdd BLAST29

Motif

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes a short (usually not more than 20 amino acids) conserved sequence motif of biological significance.<p><a href='/help/motif' target='_top'>More...</a></p>Motifi1238 – 1242KxHxxUniRule annotation5

Compositional bias

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes the position of regions of compositional bias within the protein and the particular amino acids that are over-represented within those regions.<p><a href='/help/compbias' target='_top'>More...</a></p>Compositional biasi1204 – 1223Cys-richAdd BLAST20

<p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the betacoronaviruses spike protein family.UniRule annotation

Keywords - Domaini

Coiled coil, Signal, Transmembrane, Transmembrane helix

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
1.20.5.790, 1 hit
2.60.120.960, 1 hit

HAMAP database of protein families

More...
HAMAPi
MF_04099 BETA_CORONA_SPIKE, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR042578 BETA_CORONA_SPIKE
IPR002552 Corona_S2
IPR027400 S_HR2
IPR032500 Spike_N
IPR043002 Spike_N_sf
IPR018548 Spike_rcpt-bd
IPR036326 Spike_rcpt-bd_sf

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF01601 Corona_S2, 1 hit
PF16451 Spike_NTD, 1 hit
PF09408 Spike_rec_bind, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF143587 SSF143587, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequencei

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is in its mature form or if it represents the precursor.<p><a href='/help/sequence_processing' target='_top'>More...</a></p>Sequence processingi: The displayed sequence is further processed into a mature form.

Q3LZX1-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MKILIFAFLA NLAKAQEGCG IISRKPQPKM AQVSSSRRGV YYNDDIFRSD
60 70 80 90 100
VLHLTQDYFL PFDSNLTQYF SLNVDSDRYT YFDNPILDFG DGVYFAATEK
110 120 130 140 150
SNVIRGWIFG SSFDNTTQSA VIVNNSTHII IRVCNFNLCK EPMYTVSRGT
160 170 180 190 200
QQNAWVYQSA FNCTYDRVEK SFQLDTTPKT GNFKDLREYV FKNRDGFLSV
210 220 230 240 250
YQTYTAVNLP RGLPTGFSVL KPILKLPFGI NITSYRVVMA MFSQTTSNFL
260 270 280 290 300
PESAAYYVGN LKYSTFMLRF NENGTITDAV DCSQNPLAEL KCTIKNFNVD
310 320 330 340 350
KGIYQTSNFR VSPTQEVIRF PNITNRCPFD KVFNATRFPN VYAWERTKIS
360 370 380 390 400
DCVADYTVLY NSTSFSTFKC YGVSPSKLID LCFTSVYADT FLIRSSEVRQ
410 420 430 440 450
VAPGETGVIA DYNYKLPDDF TGCVIAWNTA KHDTGNYYYR SHRKTKLKPF
460 470 480 490 500
ERDLSSDDGN GVYTLSTYDF NPNVPVAYQA TRVVVLSFEL LNAPATVCGP
510 520 530 540 550
KLSTELVKNQ CVNFNFNGLK GTGVLTSSSK RFQSFQQFGR DTSDFTDSVR
560 570 580 590 600
DPQTLEILDI SPCSFGGVSV ITPGTNASSE VAVLYQDVNC TDVPTAIRAD
610 620 630 640 650
QLTPAWRVYS TGVNVFQTQA GCLIGAEHVN ASYECDIPIG AGICASYHTA
660 670 680 690 700
SVLRSTGQKS IVAYTMSLGA ENSIAYANNS IAIPTNFSIS VTTEVMPVSM
710 720 730 740 750
AKTAVDCTMY ICGDSLECSN LLLQYGSFCT QLNRALTGIA IEQDKNTQEV
760 770 780 790 800
FAQVKQMYKT PAIKDFGGFN FSQILPDPSK PTKRSFIEDL LFNKVTLADA
810 820 830 840 850
GFMKQYGDCL GDVSARDLIC AQKFNGLTVL PPLLTDEMVA AYTAALVSGT
860 870 880 890 900
ATAGWTFGAG AALQIPFAMQ MAYRFNGIGV TQNVLYENQK LIANQFNSAI
910 920 930 940 950
GKIQESLSST ASALGKLQDV VNQNAQALNT LVKQLSSNFG AISSVLNDIL
960 970 980 990 1000
SRLDKVEAEV QIDRLITGRL QSLQTYVTQQ LIRAAEIRAS ANLAATKMSE
1010 1020 1030 1040 1050
CVLGQSKRVD FCGKGYHLMS FPQSAPHGVV FLHVTYVPSQ EKNFTTAPAI
1060 1070 1080 1090 1100
CHEGKAYFPR EGVFVSNGTS WFITQRNFYS PQLITTDNTF VSGNCDVVIG
1110 1120 1130 1140 1150
IINNTVYDPL QPELDSFKEE LDKYFKNHTS PDVDLGDISG INASVVNIQK
1160 1170 1180 1190 1200
EIDRLNEVAK NLNESLIDLQ ELGKYEQYIK WPWYVWLGFI AGLIAIVMVT
1210 1220 1230 1240
ILLCCMTSCC SCLKGACSCG SCCKFDEDDS EPVLKGVKLH YT
Length:1,242
Mass (Da):137,570
Last modified:October 25, 2005 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:i67E4E434992929AB
GO

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

More...
GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
DQ022305 Genomic RNA Translation: AAY88866.1

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
DQ022305 Genomic RNA Translation: AAY88866.1

3D structure databases

SMRiQ3LZX1
ModBaseiSearch...

Proteomic databases

PRIDEiQ3LZX1

Family and domain databases

Gene3Di1.20.5.790, 1 hit
2.60.120.960, 1 hit
HAMAPiMF_04099 BETA_CORONA_SPIKE, 1 hit
InterProiView protein in InterPro
IPR042578 BETA_CORONA_SPIKE
IPR002552 Corona_S2
IPR027400 S_HR2
IPR032500 Spike_N
IPR043002 Spike_N_sf
IPR018548 Spike_rcpt-bd
IPR036326 Spike_rcpt-bd_sf
PfamiView protein in Pfam
PF01601 Corona_S2, 1 hit
PF16451 Spike_NTD, 1 hit
PF09408 Spike_rec_bind, 1 hit
SUPFAMiSSF143587 SSF143587, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the ‘Entry information’ section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiSPIKE_BCHK3
<p>This subsection of the ‘Entry information’ section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called ‘Primary (citable) accession number’.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: Q3LZX1
<p>This subsection of the ‘Entry information’ section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification (‘Last modified’). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: June 12, 2007
Last sequence update: October 25, 2005
Last modified: December 11, 2019
This is version 74 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the ‘Entry information’ section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programViral Protein Annotation Program

<p>This section contains any relevant information that doesn’t fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
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